<template>
    <div class="header">
        <div class="logo">林邵晨--网站后台管理</div>
        <!-- 折叠按钮 -->
        <div class="collapse-btn" @click="collapseChage">
            <i v-if="!collapse" class="el-icon-s-fold"></i>
            <i v-else class="el-icon-s-unfold"></i>
        </div>
        <div class="header-right">
            <div class="header-user-con">
                <!-- 全屏显示 -->
                <div class="btn-fullscreen" @click="handleFullScreen">
                    <el-tooltip effect="dark" :content="fullscreen ? `取消全屏` : `全屏`" placement="bottom">
                        <i class="el-icon-rank"></i>
                    </el-tooltip>
                </div>
                <!-- 消息中心 -->
                <div class="btn-bell" @click="notice">
                    <el-tooltip effect="dark" content="发布公告" placement="bottom">
                        <i class="el-icon-plus"></i>
                    </el-tooltip>
                </div>
                <!-- 用户头像 -->
                <div class="user-avator">
                    <img :src="form.avatar" />
                </div>
                <!-- 用户名下拉菜单 -->
                <el-dropdown class="user-name" trigger="hover" @command="handleCommand">
                    <span class="el-dropdown-link">
                        {{ form.nickname }}
                        <i class="el-icon-caret-bottom"></i>
                    </span>
                    <el-dropdown-menu slot="dropdown">
                        <el-dropdown-item divided command="loginOut">退出登录</el-dropdown-item>
                    </el-dropdown-menu>
                </el-dropdown>
            </div>
        </div>
        <el-dialog title="发布公告" :visible.sync="dialogFormVisible">
            <el-form :model="form">
                <el-form-item label="通知" :label-width="formLabelWidth">
                    <el-input clearable v-model="form.notice" autocomplete="off"></el-input>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="issueNotice">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</template>
<script>
import bus from '../common/bus';
import { getUserInfo, issue } from '../../api/admin';
export default {
    data() {
        return {
            collapse: false,
            fullscreen: false,
            params: {
                uid: '',
                token: ''
            },
            dialogFormVisible: false,
            form: {
                notice:''
            },
            formLabelWidth: '120px'
        };
    },
    created() {
        this.params.uid = this.$cookies.get('uid');
        this.params.token = this.$cookies.get('token');
        //查询个人信息
        getUserInfo(this.params).then(res => {
            if (res.code == 200) {
                this.form = res.data;
            }
        })
    },
    methods: {
        notice(){
            this.dialogFormVisible=true;
        },
        issueNotice(){
          if(this.form.notice.length==0){
            this.$notify({
                title: '警告',
                message: '通知内容不能为空',
                type: 'warning'
            });
            return;
          }
          issue(this.form,this.params).then(res=>{
            if(res.code==200){
                this.$notify({
                    title: '成功',
                    message: res.msg,
                    type: 'success'
                });
                this.dialogFormVisible=false;
            }
          })  
        },
        // 用户名下拉菜单选择事件
        handleCommand(command) {
            //退出登录
            if (command == 'loginOut') {
                this.$confirm('确认退出吗?', '提示', {})
                    .then(() => {
                        localStorage.removeItem('email');
                        this.$cookies.remove('uid');
                        this.$cookies.remove('token');
                        this.$router.push('/login');
                    })
                    .catch(() => { });
                return;
            }
        },
        // 侧边栏折叠
        collapseChage() {
            this.collapse = !this.collapse;
            bus.$emit('collapse', this.collapse);
        },
        // 全屏事件
        handleFullScreen() {
            let element = document.documentElement;
            if (this.fullscreen) {
                if (document.exitFullscreen) {
                    document.exitFullscreen();
                } else if (document.webkitCancelFullScreen) {
                    document.webkitCancelFullScreen();
                } else if (document.mozCancelFullScreen) {
                    document.mozCancelFullScreen();
                } else if (document.msExitFullscreen) {
                    document.msExitFullscreen();
                }
            } else {
                if (element.requestFullscreen) {
                    element.requestFullscreen();
                } else if (element.webkitRequestFullScreen) {
                    element.webkitRequestFullScreen();
                } else if (element.mozRequestFullScreen) {
                    element.mozRequestFullScreen();
                } else if (element.msRequestFullscreen) {
                    // IE11
                    element.msRequestFullscreen();
                }
            }
            this.fullscreen = !this.fullscreen;
        },
    },
    mounted() {
        if (document.body.clientWidth < 1500) {
            this.collapseChage();
        };
    }
};
</script>
<style scoped>
.header {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    height: 70px;
    font-size: 22px;
    color: #fff;
    background-color: #1bd1a5;
}

.collapse-btn {
    float: left;
    padding: 0 21px;
    cursor: pointer;
    line-height: 70px;
}

.collapse-btn:hover {
    background-color: #1bd1a5;
}

.header .logo {
    position: relative;
    float: left;
    padding-left: 25px;
    line-height: 70px;
    text-align: right;
    /* margin-left: 70px; */
}

.header .logo::before {
    position: absolute;
    left: 0;
    top: 50%;
    margin-top: -70px;
    height: 70px;
    /* content: url(../../assets/img/logo.png); */
    /* width: 70px; */
    /* height: 70px; */
    zoom: .3;
}

.header-right {
    float: right;
    padding-right: 50px;
}

.header-user-con {
    display: flex;
    height: 70px;
    align-items: center;
}

.btn-fullscreen {
    transform: rotate(45deg);
    margin-right: 5px;
    font-size: 24px;
}

.btn-bell,
.btn-fullscreen {
    position: relative;
    width: 30px;
    height: 30px;
    text-align: center;
    border-radius: 15px;
    cursor: pointer;
}

.btn-bell-badge {
    position: absolute;
    right: 0;
    top: -2px;
    width: 8px;
    height: 8px;
    border-radius: 4px;
    background: #f56c6c;
    color: #fff;
}

.btn-bell .el-icon-bell {
    color: #fff;
}

.user-name {
    margin-left: 10px;
}

.user-avator {
    margin-left: 20px;
}

.user-avator img {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.el-dropdown-link {
    color: #fff;
    cursor: pointer;
}

.el-dropdown-menu__item {
    text-align: center;
}

.content-title {
    font-weight: 400;
    line-height: 50px;
    margin: 10px 0;
    font-size: 22px;
    color: #1f2f3d;
}

.pre-img {
    width: 80px;
    height: 80px;
    background: #f8f8f8;
    border: 1px solid #eee;
    border-radius: 40px;
}

.crop-demo {
    display: flex;
    align-items: flex-end;
}

.crop-demo-btn {
    position: relative;
    width: 80px;
    height: 30px;
    line-height: 30px;
    padding: 0 15px;
    margin-left: 20px;
    margin-bottom: 25px;
    background-color: #409eff;
    color: #fff;
    font-size: 12px;
    border-radius: 4px;
    box-sizing: border-box;
}

.crop-input {
    position: absolute;
    width: 100px;
    height: 40px;
    left: 0;
    top: 0;
    opacity: 0;
    cursor: pointer;
}
</style>
